JPS572181A - Video binary coding system - Google Patents

Video binary coding system

Info

Publication number
JPS572181A
JPS572181A JP7425780A JP7425780A JPS572181A JP S572181 A JPS572181 A JP S572181A JP 7425780 A JP7425780 A JP 7425780A JP 7425780 A JP7425780 A JP 7425780A JP S572181 A JPS572181 A JP S572181A
Authority
JP
Japan
Prior art keywords
signal
circuit
binary coded
differentiated
waveform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7425780A
Other languages
Japanese (ja)
Inventor
Makoto Ariga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7425780A priority Critical patent/JPS572181A/en
Publication of JPS572181A publication Critical patent/JPS572181A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE:To extract a differentiated binary coded signal of only a large pattern, by producing a gate pulse by giving a 2-order differentiation to a video signal and giving a shaping to the output waveform of the video signal and then securing an AND with the signal supplied from a normal binary coded circuit. CONSTITUTION:A video signal 1 ia differentiated by a 1-order differentiating circuit 2 to be turned into a 2-order differentiated waveform 5 through the subsequent 2-order differentiating circuit 4. The waveform 5 is shaped by a waveform shaping circuit 6 to obtain a gate pulse 12 that shows a region of a required large pattern signal. On the other hand, the signal 1 supplied to a binary coded circuit 3 is binary coded to be applied to an AND circuit 15 via a delaying circuit 17 and in the form of a delay signal 18. An AND is secured between the signal 18 and the pulse 12 through the circuit 15, and thus a differentiated binary coded signal 16 is obtained to be used as a pattern recognizing binary coded signal. In such way, only a comparatively large pattern is extracted to reduce the capacity of a software for recognition of pattern.
JP7425780A 1980-06-04 1980-06-04 Video binary coding system Pending JPS572181A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7425780A JPS572181A (en) 1980-06-04 1980-06-04 Video binary coding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7425780A JPS572181A (en) 1980-06-04 1980-06-04 Video binary coding system

Publications (1)

Publication Number Publication Date
JPS572181A true JPS572181A (en) 1982-01-07

Family

ID=13541908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7425780A Pending JPS572181A (en) 1980-06-04 1980-06-04 Video binary coding system

Country Status (1)

Country Link
JP (1) JPS572181A (en)

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